diff --git a/app/globals.css b/app/globals.css
index 9d86ed491..d8c350788 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -590,6 +590,7 @@
 .dark .lovart-suggestion:hover,
 .dark .lovart-start-action:hover { background: #27272a; border-color: rgb(255 255 255 / 22%); }
 .dark .lovart-canvas-surface [data-lovart-chat="true"] .lovart-chat-header { border-color: rgb(255 255 255 / 10%); }
+.dark [data-canvas-right-panel="true"] > .border-l { border-left-color: #27272a; }
 .dark .lovart-canvas-surface [data-lovart-chat="true"] .lovart-chat-composer > [data-canvas-chat-input-anchor] { border-color: rgb(255 255 255 / 12%); }
 @media (max-width: 640px) {
   .lovart-home-surface main { padding-top: calc(72px + var(--home-banner-offset, 0px)); }